Electronic flash device



FIG. 1 is a perspective view of my flash device showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view of the right side thereof, as seen in FIG. 2;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side view of the left side thereof, as seen in FIG. 2;

FIG. 6 is a back view thereof, and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an electronic flash device, as shown and described. 